# Design Basis Threat
> **Nuclear Regulatory Commission** · Final rule. · Published 2007-03-19 · Effective 2007-04-18 · 72 FR 12705
## Document
- **Document number:** 07-1317
- **Category:** other
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 72 FR 12705
- **CFR reference:** 10 CFR 73
- **Publication date:** 2007-03-19
- **Effective date:** 2007-04-18
## Abstract

The Nuclear Regulatory Commission (NRC) is amending its regulations that govern the requirements pertaining to the design basis threats (DBTs). This final rule makes generically applicable security requirements similar to those previously imposed by the Commission's April 29, 2003 DBT Orders, based upon experience and insights gained by the Commission during implementation, and redefines the level of security requirements necessary to ensure that the public health and safety and common defense and security are adequately protected. Pursuant to Section 170E of the Atomic Energy Act (AEA), the final rule revises the DBT requirements for radiological sabotage, generally applicable to power reactors and Category I fuel cycle facilities, and for theft or diversion of NRC-licensed Strategic Special Nuclear Material (SSNM), applicable to Category I fuel cycle facilities. Additionally, a petition for rulemaking (PRM-73-12), filed by the Committee to Bridge the Gap, was considered as part of this rulemaking. The NRC partially granted PRM-73-12 in the proposed rule, but deferred action on other aspects of the petition to the final rule. The NRC's final disposition of PRM-73-12 is contained in this document.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/03/19/07-1317/design-basis-threat)
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